Open WebUI's Insecure Direct Object Reference (IDOR) allows access to other users' memories

Summary Any authenticated user can read other users' private memories via /api/v1/retrieval/query/collection Details Vulnerability 1: Missing authorization in collection querying In backend/openwebui/routers/retrieval.py, the querycollectionhandler function accepts a list of collectionnames but...

CVE-2026-29071

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, any authenticated user can read other users' private memories via /api/v1/retrieval/query/collection. Version 0.8.6 patches the issue...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.8.6 contained a security vulnerability. This vulnerability stems from the/api/v1/retrieval/query/collection endpoint, which allows access to other users’ private...

CVE-2026-29071

CVE-2026-29071 affects Open WebUI. Before v0.8.6, any authenticated user could read other users’ private memories via the vulnerable endpoint /api/v1/retrieval/query/collection, enabling exposure of documents, memories, and user metadata. The root cause is missing authorization in collection quer...

CVE-2026-29071 Open WebUI's Insecure Direct Object Reference (IDOR) allows access to other users' memories

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, any authenticated user can read other users' private memories via /api/v1/retrieval/query/collection. Version 0.8.6 patches the issue...

CVE-2026-3115

A flaw was found in Mattermost. Authenticated guest users can exploit this vulnerability by retrieving group member IDs through the group retrieval endpoint. This failure to apply view restrictions allows them to enumerate user IDs that are outside their permitted visibility scope, leading to...

Incorrect Authorization

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Incorrect Authorization via the group retrieval endpoint. An attacker can enumerate user IDs outside their allowed visibility scope by sending...

Mattermost allows authenticated guest users to enumerate user IDs outside their allowed visibility scope

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint...

GHSA-MPC7-MM28-F6WQ Mattermost allows authenticated guest users to enumerate user IDs outside their allowed visibility scope

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint...

AVideo has SSRF Protection Bypass via HTTP Redirect in Image Download Endpoints

Summary isSSRFSafeURL validates URLs against private/reserved IP ranges before fetching, but urlgetcontents follows HTTP redirects without re-validating the redirect target. An attacker can bypass SSRF protection by redirecting from a public URL to an internal target. Root Cause Check-time:...

CVE-2026-3115

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint...

CVE-2026-3115 Guest users can view group member IDs without respecting view restrictions

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint...

CVE-2026-3115

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint...

CVE-2026-3115

Mattermost fixes for CVE-2026-3115 affect this product family: versions 11.2.x ≤ 11.2.2, 10.11.x ≤ 10.11.10, 11.4.x ≤ 11.4.0, and 11.3.x ≤ 11.3.1 fail to apply view restrictions when retrieving group member IDs. This allows authenticated guest users to enumerate user IDs outside their visibility ...

CVE-2026-26074

EVerest EV charging software stack has a data race in versions prior to 2026.02.0, causing possible corruption of map data structures (event_queue). The race is triggered over the network CSMS GetLog/UpdateFirmware request when an EVSE fault event is present, leading to concurrent access detected...

CVE-2026-22199

Voltronic Power SNMP Web Pro version 1.1 contains a pre-authentication path traversal vulnerability in the upload.cgi endpoint that allows unauthenticated attackers to read arbitrary files on the device filesystem by supplying directory traversal sequences in the params parameter. Attackers can...

CVE-2026-32097

PingPong is a platform for using large language models LLMs for teaching and learning. Prior to 7.27.2, an authenticated user may be able to retrieve or delete files outside the intended authorization scope. This issue could result in retrieval or deletion of private files, including user-uploade...

Unveiling the Resilience of LLM-Enhanced Search Engines against Black-Hat SEO Manipulation

The emergence of Large Language Model-enhanced Search Engines LLMSEs has revolutionized information retrieval by integrating web-scale search capabilities with AI-powered summarization. While these systems demonstrate improved efficiency over traditional search engines, their security implication...

PIDP-Attack: Combining Prompt Injection with Database Poisoning Attacks on Retrieval-Augmented Generation Systems

Large Language Models LLMs have demonstrated remarkable performance across a wide range of applications. However, their practical deployment is often hindered by issues such as outdated knowledge and the tendency to generate hallucinations. To address these limitations, Retrieval-Augmented...

PT-2026-28424

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.x through 10.11.10 Mattermost versions 11.2.x through 11.2.2 Mattermost versions 11.3.x through 11.3.1 Mattermost versions 11.4.x through 11.4.0 Description The application fails to enforce view restrictions when...